Sabian DecodedBirthdays ↗

Born on May 21?

If you were born on May 21, your Sun is at approximately 1° Gemini, whose Sabian Symbol is “A glass-bottomed boat reveals undersea wonders.” Its Jones keyword is Curiosity.

“A glass-bottomed boat reveals undersea wonders.”
Sun Sign · Gemini≈ 1° GeminiKeyword · Curiosity

At a Glance

Birthday
May 21
Sun Sign
Gemini
Approx. Degree
1° Gemini
Sabian Symbol
“A glass-bottomed boat reveals undersea wonders.”
Jones Keyword
Curiosity

Your Sun Sign on May 21

A May 21 birthday places your Sun in Gemini, an air sign ruled by Mercury. But your sign is only the broad stroke — within Gemini, your Sun sits at one specific degree, and that single degree carries its own Sabian image.

Note: May 21 sits close to a sign boundary, so depending on your exact birth year and time your Sun may fall in the neighbouring sign or degree. The figure above is representative — run your birthday through the calculator for your exact degree.

The Image at Your Degree

For May 21, that degree is about 1° Gemini, and its Sabian Symbol is “A glass-bottomed boat reveals undersea wonders.” This is one of 360 images received clairvoyantly in 1925 — a concrete scene rather than an abstract trait. Read the full meaning, gift and shadow, and chart placement on the 1° Gemini Sabian Symbol page.

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Common Questions

What is the Sabian Symbol for someone born on May 21?

If you were born on May 21, your Sun is at approximately 1° Gemini, whose Sabian Symbol is “A glass-bottomed boat reveals undersea wonders.” Its Jones keyword is Curiosity. Your exact degree depends on your birth year and time.

What zodiac sign is May 21?

A birthday on May 21 usually falls under Gemini. This date is near a sign cusp, so the sign can vary by year — check your exact chart to be sure.

Why might my Sabian degree be different?

The Sun advances about one degree per day, and sign boundaries shift by a day or so each year. Your birth time also matters. Enter your birthday in the free calculator for the exact image at your Sun's degree.